Jxbrowser：如何将这段代码从v6复制到访问dom，并将输入和单击设置到v7.15？

我想用我自己的搜索栏制作一个谷歌地图克隆（学校项目）。我一直在玩最新版本的jxbrowser。我正在尝试访问“doc”以使用findById设置domhtml的输入，并将value设置为value。我知道如何在v6中进行设置：

    private void kButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_kButton2ActionPerformed
    DOMDocument doc = browser.getDocument();

    DOMElement address_element = doc.findElement(By.id("address"));
    DOMElement search_element = doc.findElement(By.id("submit"));
    DOMElement button = (DOMElement) search_element;

    DOMInputElement address = (DOMInputElement) address_element;
    address.setValue(searchbar.getText());

    button.click();

但是如何在v7.15中复制此代码？ 我在v7.15中的代码

//How do i do browser.getDocument(); ?

browser.mainFrame().ifPresent(frame ->
        frame.document().ifPresent(document -> {
            String baseUri = document.baseUri();
        }));

//我怎么写这部分，它不能解析文档元素

documentElement.findElementById("address").ifPresent(element ->
                        ((InputElement) element).value(new address));

                documentElement.findElementById("sumbit").ifPresent(element ->
                        ((InputElement) element).click 

///如何单击按钮

browser.mainFrame().flatMap(Frame::document).ifPresent(document -> {
                    String baseUri = document.baseUri();
                    System.out.println(searchLocationA.getText());
                    System.out.println(searchLocationB.getText());
                    document.findElementById("departure").ifPresent(element -> ((InputElement) element).value(searchLocationA.getText()));
                    document.findElementById("destination").ifPresent(element -> ((InputElement) element).value(searchLocationB.getText()));
                    document.findElementById("submit").ifPresent(Node::click);
                    System.out.println("buttons work");
            });

解决方案